ERIC ED541333: The Eyesight of School Children: Defective Vision as Related to School Environment, and Methods of Prevention and Correction. Bulletin, 1919, No. 65 (1920)
ERIC · leaf 24
BULLETIN. 1919, NO. « PLATE S. BUREAU OF EDUCATION. A, STRONG GLARE CAUSES EYESTRAIN.* V Classroom windows should bo fitted with proper shades which can be easily adjusted to shut oit excessive and direct Ucht.
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